Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries/ --ompython_omhome=/usr Buildings_8_Buildings.HeatTransfer.Windows.BaseClasses.Examples.Overhang.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo", uses=false) loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo", uses=false) Using package Buildings with version 8.1.4 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo) Using package Modelica with version 3.2.3 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo) Using package Complex with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo) Using package ModelicaServices with version 4.0.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo) Running command: "" <> buildModelFMU(Buildings.HeatTransfer.Windows.BaseClasses.Examples.Overhang,fileNamePrefix="Buildings_8_Buildings_HeatTransfer_Windows_BaseClasses_Examples_Overhang",fmuType="me",version="2.0",platforms={"static"}) "" <> buildModelFMU(Buildings.HeatTransfer.Windows.BaseClasses.Examples.Overhang,fileNamePrefix="Buildings_8_Buildings_HeatTransfer_Windows_BaseClasses_Examples_Overhang",fmuType="me",version="2.0",platforms={"static"}) Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.0.0+maint.om/package.mo): time 0.00127/0.00127, allocations: 111.3 kB / 15.23 MB, free: 0.6406 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.0.0+maint.om/package.mo): time 0.001339/0.001339, allocations: 196.4 kB / 16.14 MB, free: 6.707 MB / 14.72 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 3.2.3+maint.om/package.mo): time 1.242/1.242, allocations: 205.1 MB / 222 MB, free: 4.961 MB / 174.1 MB Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/package.mo): time 1.519/1.519, allocations: 292.3 MB / 0.5484 GB, free: 13.62 MB / 462.1 MB Notification: Modelica requested package Complex of version 3.2.3. Complex 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Modelica requested package ModelicaServices of version 3.2.3. ModelicaServices 4.0.0 is used instead which states that it is fully compatible without conversion script needed. Notification: Performance of FrontEnd - loaded program: time 0.001327/0.001327, allocations: 66.05 kB / 0.6709 GB, free: 26.2 MB / 0.5294 GB Notification: Performance of FrontEnd - Absyn->SCode: time 0.1699/0.1712, allocations: 114.6 MB / 0.7828 GB, free: 13.88 MB / 0.6075 GB Notification: Performance of NFInst.instantiate(Buildings.HeatTransfer.Windows.BaseClasses.Examples.Overhang): time 0.005393/0.1766, allocations: 4.812 MB / 0.7875 GB, free: 9.039 MB / 0.6075 GB Notification: Performance of NFInst.instExpressions: time 0.4685/0.6452, allocations: 148.9 MB / 0.9329 GB, free: 5.219 MB / 0.7325 GB Notification: Performance of NFInst.updateImplicitVariability: time 0.0006916/0.6459, allocations: 18.97 kB / 0.9329 GB, free: 5.219 MB / 0.7325 GB Notification: Performance of NFTyping.typeComponents: time 0.0006188/0.6465, allocations: 147.9 kB / 0.933 GB, free: 5.219 MB / 0.7325 GB [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/BoundaryConditions/WeatherData/BaseClasses/getHeaderElementTMY3.mo:2:1-105:25:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘ contains a call to impure function ‘Modelica.Utilities.Streams.readLine‘. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/BoundaryConditions/WeatherData/BaseClasses/getLongitudeTMY3.mo:2:1-48:21:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getLongitudeTMY3‘ contains a call to impure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/BoundaryConditions/WeatherData/BaseClasses/getLatitudeTMY3.mo:2:1-48:20:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getLatitudeTMY3‘ contains a call to impure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘. [/home/hudson/saved_omc/libraries/.openmodelica/libraries/Buildings 8.1.4-maint.8.1.x/BoundaryConditions/WeatherData/BaseClasses/getTimeZoneTMY3.mo:2:1-47:20:writable] Warning: Pure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getTimeZoneTMY3‘ contains a call to impure function ‘Buildings.BoundaryConditions.WeatherData.BaseClasses.getHeaderElementTMY3‘. Notification: Performance of NFTyping.typeBindings: time 0.001418/0.648, allocations: 420.4 kB / 0.9334 GB, free: 5.215 MB / 0.7325 GB Notification: Performance of NFTyping.typeClassSections: time 0.001858/0.6498, allocations: 0.8173 MB / 0.9342 GB, free: 5.195 MB / 0.7325 GB Notification: Performance of NFFlatten.flatten: time 0.001523/0.6514, allocations: 1.536 MB / 0.9357 GB, free: 5.188 MB / 0.7325 GB Notification: Performance of NFFlatten.resolveConnections: time 0.0008211/0.6522, allocations: 0.8111 MB / 0.9365 GB, free: 5.004 MB / 0.7325 GB Notification: Performance of NFEvalConstants.evaluate: time 0.000534/0.6527, allocations: 0.5426 MB / 0.937 GB, free: 5 MB / 0.7325 GB Notification: Performance of NFSimplifyModel.simplify: time 0.0005975/0.6533, allocations: 0.6444 MB / 0.9377 GB, free: 5 MB / 0.7325 GB Notification: Performance of NFPackage.collectConstants: time 0.0001448/0.6535, allocations: 82.09 kB / 0.9377 GB, free: 5 MB / 0.7325 GB Notification: Performance of NFFlatten.collectFunctions: time 0.0007932/0.6543, allocations: 487.4 kB / 0.9382 GB, free: 4.988 MB / 0.7325 GB Notification: Performance of NFScalarize.scalarize: time 0.0002708/0.6546, allocations: 333.3 kB / 0.9385 GB, free: 4.988 MB / 0.7325 GB Notification: Performance of NFVerifyModel.verify: time 0.0004781/0.6551, allocations: 0.6228 MB / 0.9391 GB, free: 4.988 MB / 0.7325 GB Notification: Performance of NFConvertDAE.convert: time 0.001519/0.6566, allocations: 1.884 MB / 0.941 GB, free: 4.879 MB / 0.7325 GB Notification: Performance of FrontEnd - DAE generated: time 3.096e-06/0.6566, allocations: 0 / 0.941 GB, free: 4.879 MB / 0.7325 GB Notification: Performance of FrontEnd: time 1.453e-06/0.6566, allocations: 4 kB / 0.941 GB, free: 4.875 MB / 0.7325 GB Notification: Performance of Transformations before backend: time 1.65e-05/0.6566, allocations: 1.203 kB / 0.941 GB, free: 4.875 MB / 0.7325 GB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 289 * Number of variables: 289 Notification: Performance of Generate backend data structure: time 0.002708/0.6593, allocations: 1.671 MB / 0.9426 GB, free: 20.03 MB / 0.7481 GB Notification: Performance of prepare preOptimizeDAE: time 3.321e-05/0.6594, allocations: 7.875 kB / 0.9426 GB, free: 20.03 MB / 0.7481 GB Notification: Performance of preOpt introduceOutputAliases (simulation): time 0.0001668/0.6596, allocations: 172.8 kB / 0.9428 GB, free: 19.99 MB / 0.7481 GB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.1052/0.7647, allocations: 15.37 MB / 0.9578 GB, free: 19.02 MB / 0.7481 GB Notification: Performance of preOpt evaluateParameters (simulation): time 0.002071/0.7668, allocations: 1.153 MB / 0.9589 GB, free: 18.43 MB / 0.7481 GB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001036/0.7669, allocations: 99.28 kB / 0.959 GB, free: 18.42 MB / 0.7481 GB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0003611/0.7673, allocations: 110.2 kB / 0.9591 GB, free: 18.42 MB / 0.7481 GB Notification: Performance of preOpt clockPartitioning (simulation): time 0.03184/0.7991, allocations: 7.564 MB / 0.9665 GB, free: 15.32 MB / 0.7481 GB Notification: Performance of preOpt findStateOrder (simulation): time 2.296e-05/0.7992, allocations: 7.594 kB / 0.9665 GB, free: 15.32 MB / 0.7481 GB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002935/0.7995, allocations: 49.88 kB / 0.9666 GB, free: 15.32 MB / 0.7481 GB Notification: Performance of preOpt inlineArrayEqn (simulation): time 1.999e-05/0.7995, allocations: 27.53 kB / 0.9666 GB, free: 15.32 MB / 0.7481 GB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.06084/0.8604, allocations: 13.49 MB / 0.9798 GB, free: 10.23 MB / 0.7481 GB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.03661/0.897, allocations: 8.86 MB / 0.9884 GB, free: 5.898 MB / 0.7481 GB Notification: Performance of preOpt comSubExp (simulation): time 0.03553/0.9326, allocations: 7.779 MB / 0.996 GB, free: 3.137 MB / 0.7481 GB Notification: Performance of preOpt resolveLoops (simulation): time 0.02913/0.9617, allocations: 6.161 MB / 1.002 GB, free: 236 kB / 0.7481 GB Notification: Performance of preOpt evalFunc (simulation): time 0.0005309/0.9623, allocations: 0.5973 MB / 1.003 GB, free: 15.52 MB / 0.7637 GB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 0.03066/0.993, allocations: 6.669 MB / 1.009 GB, free: 9.609 MB / 0.7637 GB Notification: Performance of pre-optimization done (n=101): time 3.567e-06/0.993, allocations: 1.094 kB / 1.009 GB, free: 9.609 MB / 0.7637 GB Notification: Performance of matching and sorting (n=101): time 0.09008/1.083, allocations: 18.01 MB / 1.027 GB, free: 8.391 MB / 0.7794 GB Notification: Performance of inlineWhenForInitialization (initialization): time 8.783e-05/1.083, allocations: 188.9 kB / 1.027 GB, free: 8.164 MB / 0.7794 GB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.0009468/1.084, allocations: 0.6998 MB / 1.028 GB, free: 7.457 MB / 0.7794 GB Notification: Performance of collectPreVariables (initialization): time 0.0003558/1.085, allocations: 41.7 kB / 1.028 GB, free: 7.41 MB / 0.7794 GB Notification: Performance of collectInitialEqns (initialization): time 0.0003681/1.085, allocations: 483.3 kB / 1.028 GB, free: 6.934 MB / 0.7794 GB Notification: Performance of collectInitialBindings (initialization): time 0.0004918/1.085, allocations: 333.2 kB / 1.028 GB, free: 6.613 MB / 0.7794 GB Notification: Performance of simplifyInitialFunctions (initialization): time 0.001047/1.086, allocations: 330.2 kB / 1.029 GB, free: 6.285 MB / 0.7794 GB Notification: Performance of setup shared object (initialization): time 0.0001489/1.087, allocations: 394.7 kB / 1.029 GB, free: 5.891 MB / 0.7794 GB Notification: Performance of preBalanceInitialSystem (initialization): time 0.02981/1.116, allocations: 6.255 MB / 1.035 GB, free: 15.62 MB / 0.795 GB Notification: Performance of partitionIndependentBlocks (initialization): time 0.02962/1.146, allocations: 6.385 MB / 1.041 GB, free: 9.199 MB / 0.795 GB Notification: Performance of analyzeInitialSystem (initialization): time 0.05522/1.201, allocations: 10.83 MB / 1.052 GB, free: 14.35 MB / 0.8106 GB Notification: Performance of solveInitialSystemEqSystem (initialization): time 5.09e-06/1.201, allocations: 0 / 1.052 GB, free: 14.35 MB / 0.8106 GB Notification: Performance of matching and sorting (n=117) (initialization): time 0.05819/1.26, allocations: 12.11 MB / 1.064 GB, free: 2.223 MB / 0.8106 GB Notification: Performance of prepare postOptimizeDAE: time 2.124e-05/1.26, allocations: 4 kB / 1.064 GB, free: 2.219 MB / 0.8106 GB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 8.125e-06/1.26, allocations: 0 / 1.064 GB, free: 2.219 MB / 0.8106 GB Notification: Performance of postOpt tearingSystem (initialization): time 0.0005592/1.26, allocations: 88.78 kB / 1.064 GB, free: 2.129 MB / 0.8106 GB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.01676/1.277, allocations: 2.644 MB / 1.066 GB, free: 15.49 MB / 0.8262 GB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001858/1.279, allocations: 1.521 MB / 1.068 GB, free: 13.85 MB / 0.8262 GB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.01626/1.295, allocations: 2.433 MB / 1.07 GB, free: 11.41 MB / 0.8262 GB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0003894/1.295, allocations: 95.81 kB / 1.07 GB, free: 11.32 MB / 0.8262 GB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 4 * Number of states: 0 () * Number of discrete variables: 6 (weaDat.conTim.tNext,$PRE.weaDat.conTim.tNext,weaDat.conTimMin.tNext,$PRE.weaDat.conTimMin.tNext,$whenCondition1,$whenCondition2) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (115): * Single equations (assignments): 114 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,2)} Notification: Performance of prepare postOptimizeDAE: time 0.0009959/1.296, allocations: 295 kB / 1.071 GB, free: 11.04 MB / 0.8262 GB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.0005373/1.297, allocations: 98.78 kB / 1.071 GB, free: 10.94 MB / 0.8262 GB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.05986/1.357, allocations: 12.59 MB / 1.083 GB, free: 14.33 MB / 0.8419 GB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.343e-05/1.357, allocations: 12 kB / 1.083 GB, free: 14.32 MB / 0.8419 GB Notification: Performance of postOpt constantLinearSystem (simulation): time 4.849e-06/1.357, allocations: 8 kB / 1.083 GB, free: 14.31 MB / 0.8419 GB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.615e-05/1.357, allocations: 7.969 kB / 1.083 GB, free: 14.3 MB / 0.8419 GB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.06143/1.418, allocations: 14.59 MB / 1.097 GB, free: 15.67 MB / 0.8575 GB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 5.541e-06/1.418, allocations: 0 / 1.097 GB, free: 15.67 MB / 0.8575 GB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.01653/1.435, allocations: 2.643 MB / 1.1 GB, free: 13.03 MB / 0.8575 GB Notification: Performance of postOpt tearingSystem (simulation): time 0.000492/1.435, allocations: 84.77 kB / 1.1 GB, free: 12.95 MB / 0.8575 GB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 0.0003122/1.436, allocations: 94.78 kB / 1.1 GB, free: 12.86 MB / 0.8575 GB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001703/1.438, allocations: 1.543 MB / 1.102 GB, free: 11.18 MB / 0.8575 GB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.834e-06/1.438, allocations: 1.844 kB / 1.102 GB, free: 11.18 MB / 0.8575 GB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.05995/1.497, allocations: 12.01 MB / 1.113 GB, free: 15.13 MB / 0.8731 GB Notification: Performance of postOpt removeConstants (simulation): time 0.001251/1.499, allocations: 0.6396 MB / 1.114 GB, free: 14.47 MB / 0.8731 GB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0005013/1.499, allocations: 27.98 kB / 1.114 GB, free: 14.45 MB / 0.8731 GB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.01638/1.516, allocations: 2.387 MB / 1.116 GB, free: 12.05 MB / 0.8731 GB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001867/1.516, allocations: 79.52 kB / 1.116 GB, free: 11.98 MB / 0.8731 GB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 0.0003404/1.516, allocations: 99.81 kB / 1.117 GB, free: 11.88 MB / 0.8731 GB Notification: Performance of sorting global known variables: time 0.0007008/1.517, allocations: 0.5029 MB / 1.117 GB, free: 11.38 MB / 0.8731 GB Notification: Performance of sort global known variables: time 2.6e-07/1.517, allocations: 5.203 kB / 1.117 GB, free: 11.38 MB / 0.8731 GB Notification: Performance of remove unused functions: time 0.001812/1.519, allocations: 0.6434 MB / 1.118 GB, free: 10.73 MB / 0.8731 GB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 1 * Number of states: 0 () * Number of discrete variables: 4 ($whenCondition2,$whenCondition1,weaDat.conTimMin.tNext,weaDat.conTim.tNext) * Number of discrete states: 2 (weaDat.conTim.tNext,weaDat.conTimMin.tNext) * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (121): * Single equations (assignments): 118 * Array equations: 0 * Algorithm blocks: 0 * Record equations: 0 * When equations: 2 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 0 systems * Non-linear torn systems (#iteration vars, #inner vars): 1 system {(1,3)} Notification: Performance of Backend phase and start with SimCode phase: time 0.0605/1.579, allocations: 13.06 MB / 1.13 GB, free: 13.84 MB / 0.8887 GB Notification: Performance of simCode: created initialization part: time 0.06059/1.64, allocations: 12.76 MB / 1.143 GB, free: 1.059 MB / 0.8887 GB Notification: Performance of simCode: created event and clocks part: time 3.958e-06/1.64, allocations: 0 / 1.143 GB, free: 1.059 MB / 0.8887 GB Notification: Performance of simCode: created simulation system equations: time 0.03058/1.671, allocations: 6.449 MB / 1.149 GB, free: 10.61 MB / 0.9044 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001766/1.672, allocations: 291.1 kB / 1.149 GB, free: 10.34 MB / 0.9044 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.1879/1.86, allocations: 43.63 MB / 1.192 GB, free: 14.49 MB / 0.9512 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.0007022/1.861, allocations: 1.111 MB / 1.193 GB, free: 13.35 MB / 0.9512 GB Notification: Performance of simCode: alias equations: time 0.003702/1.865, allocations: 0.7146 MB / 1.194 GB, free: 12.63 MB / 0.9512 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001948/1.867, allocations: 0.5849 MB / 1.194 GB, free: 12.04 MB / 0.9512 GB Notification: Performance of SimCode: time 5.62e-07/1.867, allocations: 0 / 1.194 GB, free: 12.04 MB / 0.9512 GB Notification: Performance of buildModelFMU: Generate the FMI files: time 5.463/7.329, allocations: 41.9 MB / 1.235 GB, free: 2.543 MB / 0.9825 GB Notification: Performance of buildModelFMU: configured platform static using cached values: time 0.0003319/7.33, allocations: 284 kB / 1.236 GB, free: 2.168 MB / 0.9825 GB Notification: Performance of buildModelFMU: Generate platform static: time 4.615/11.94, allocations: 0 / 1.236 GB, free: 2.168 MB / 0.9825 GB (rm -f Buildings_8_Buildings.HeatTransfer.Windows.BaseClasses.Examples.Overhang.pipe ; mkfifo Buildings_8_Buildings.HeatTransfer.Windows.BaseClasses.Examples.Overhang.pipe ; head -c 1048576 < Buildings_8_Buildings.HeatTransfer.Windows.BaseClasses.Examples.Overhang.pipe >> ../files/Buildings_8_Buildings.HeatTransfer.Windows.BaseClasses.Examples.Overhang.sim & /home/hudson/saved_omc/OMSimulator/install/bin/OMSimulator --tempDir=temp_Buildings_8_Buildings_HeatTransfer_Windows_BaseClasses_Examples_Overhang_fmu --startTime=0 --stopTime=86400 --timeout=50 --tolerance=1e-06 Buildings_8_Buildings_HeatTransfer_Windows_BaseClasses_Examples_Overhang.fmu > Buildings_8_Buildings.HeatTransfer.Windows.BaseClasses.Examples.Overhang.pipe 2>&1)